This month's journal is replete with articles which tell you how to do things.

We have a Best Practice paper on heart disease in children with Down's syndrome – and how to avoid missing it (hint: early echocardiological assessment, and don't rely too heavily on your clinical skills). We've got another in the Interpretations series on how to use and interpret faecal elastase as a test. Then we've got an excellent and salutary Problem Solving in Clinical Practice about how to be careful in your differential diagnosis in young people with self-harming behaviours or acute confusion. We've got a Pharmacy Update with detailed analysis of how to adjust drug doses in children with that problem of the modern age – obesity. And then we've got some advice in Learning and Teaching on how you should go about being an educational supervisor – …